20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3b

Analysis

max time kernel
120s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 06:29

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General

Target

20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3bN.exe
Size

63KB
MD5

b2b35b3fe48f77994680f1905bead0b0
SHA1

b4cfbd4d02eed4c89c12385388c91df3420879bd
SHA256

20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3b
SHA512

cb653c09d647d930e5274230561434f58394e2cf1090f54cf0fa2a62f05227373065716d63e52f0cb41cbcea6e1be2d013454558acaea5a12618ac858c6680b4
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIC:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV4

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1528	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1528	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3bN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3bN.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1528	2268	20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3bN.exe	85
PID 2268 wrote to memory of 1528	2268	20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3bN.exe	85
PID 2268 wrote to memory of 1528	2268	20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3bN.exe	85

C:\Users\Admin\AppData\Local\Temp\20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3bN.exe
"C:\Users\Admin\AppData\Local\Temp\20d2646f4ebbd1d88f01227c48f15c9bce294ce6e8eff693c5a09d773d852e3bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
63KB

MD5
e4fea3bb3b11a4986c7a76bbe02b7ec7

SHA1
716dfc9a39b2bc2452bed458e7dc01bcf14c530b

SHA256
516f11bfcae5552d44d1e07bd7e7834d71e88f2383d6ccffb159345c37730a5e

SHA512
b663d3107388fc8acec42ce6a7e04adfaa8b839d214ca5e7ddbd6bd1fdaf3ea8b047b55f5257fa430341ec7fb3509c13b789857503a9909bbf0f30d588d5cad0

Download Submit
memory/1528-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1528-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2268-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2268-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads